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Tomakomai Kō West Breakwater Lighthouse

Fl (2) G 7s🇯🇵Southern Hokkaidō, JPOperational

Location & Light Range

About Tomakomai Kō West Breakwater Lighthouse

This concrete breakwater light, built and first lit in 2023, stands 13 meters tall. The cylindrical tower, painted white, also has a focal height of 13 meters. It emits two green flashes every 7 seconds. The structure is located at the end of a short mole on the west side of the harbor entrance in Southern Hokkaidō.

Light & Optic

Characteristic Signature
Fl (2) G 7s
Flash Type
Flashing
Light Color
Green
Flash Count
2 flashes
Interval
7s
Raw Code
Fl
Focal Height
13m
Geographic Range
5NM

Construction & History

Year Built
2023

References & Identifiers

Admiralty No.
M6773
NGA No.
0664
ARLHS No.
JPN-867
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
13m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: White tower; 43

Location

City
Southern Hokkaidō
Country
🇯🇵JP
Latitude
42.6212°
Longitude
141.6199°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Tomakomai Kō West Breakwater Lighthouse at night?+
Tomakomai Kō West Breakwater displays the characteristic Fl (2) G 7s — 2 green flashes every 7 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Tomakomai Kō West Breakwater Lighthouse guide vessels into?+
Tomakomai Kō West Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Tomakomai at 0.9 NM to the NE. Other ports served include Shiraoi (14.7 NM WSW), Noboribetsu (22.5 NM WSW), Muroran (33.3 NM WSW), Niikappu (34.4 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomakomai Kō West Breakwater Lighthouse still active and maintained?+
Yes, Tomakomai Kō West Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Tomakomai Kō West Breakwater Lighthouse?+
You can track vessels near Tomakomai Kō West Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.